/**
 * Eio WP Expansion - Content Helper Styles
 */

/* ==========================================================================
   Table of Contents (目次)
   ========================================================================== */

.ewe-toc {
    --toc-bg: #f8f9fa;
    --toc-border: #e0e0e0;
    --toc-title-color: #333;
    --toc-link-color: #444;
    --toc-hover-bg: #e8e8e8;
    --toc-hover-color: #000;
    --toc-toggle-color: #666;
    --toc-counter-color: #888;

    background-color: var(--toc-bg);
    border: 1px solid var(--toc-border);
    border-radius: 8px;
    padding: 1.25rem;
    margin: 1.5rem 0;
    max-width: 100%;
}

.ewe-toc-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--toc-border);
}

.ewe-toc-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--toc-title-color);
}

.ewe-toc-toggle {
    background: none;
    border: none;
    color: var(--toc-toggle-color);
    font-size: 0.875rem;
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    transition: background-color 0.2s, color 0.2s;
}

.ewe-toc-toggle:hover {
    background-color: var(--toc-hover-bg);
    color: var(--toc-hover-color);
}

.ewe-toc-content {
    max-height: 500px;
    overflow-y: auto;
}

.ewe-toc-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.ewe-toc-item {
    margin: 0;
    padding: 0;
}

.ewe-toc-item a {
    display: block;
    padding: 0.5rem 0.75rem;
    color: var(--toc-link-color);
    text-decoration: none;
    border-radius: 4px;
    transition: background-color 0.2s, color 0.2s;
    font-size: 0.95rem;
    line-height: 1.4;
}

.ewe-toc-item a:hover {
    background-color: var(--toc-hover-bg);
    color: var(--toc-hover-color);
}

/* インデント */
.ewe-toc-indent-1 a {
    padding-left: 1.5rem;
    font-size: 0.9rem;
}

.ewe-toc-indent-2 a {
    padding-left: 2.25rem;
    font-size: 0.85rem;
}

.ewe-toc-indent-3 a {
    padding-left: 3rem;
    font-size: 0.85rem;
}

.ewe-toc-indent-4 a {
    padding-left: 3.75rem;
    font-size: 0.85rem;
}

/* 番号付き目次 */
.ewe-toc-numbered {
    counter-reset: toc-counter;
}

.ewe-toc-numbered .ewe-toc-item {
    counter-increment: toc-counter;
}

.ewe-toc-numbered .ewe-toc-item a::before {
    content: counter(toc-counter) ". ";
    color: var(--toc-counter-color);
    font-weight: 500;
}

/* ==========================================================================
   Responsive Table Wrapper
   ========================================================================== */

.ewe-table-wrapper {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 1rem 0;
}

.ewe-table-wrapper table {
    min-width: 100%;
    border-collapse: collapse;
}

/* スクロールヒント（グラデーション） */
.ewe-table-wrapper::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    width: 20px;
    background: linear-gradient(to left, rgba(255,255,255,0.8), transparent);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s;
}

.ewe-table-wrapper.has-scroll::after {
    opacity: 1;
}

/* ==========================================================================
   Responsive Iframe Wrapper
   ========================================================================== */

.ewe-iframe-wrapper {
    position: relative;
    width: 100%;
    height: 0;
    overflow: hidden;
    margin: 1rem 0;
}

/* 16:9 アスペクト比 */
.ewe-iframe-16-9 {
    padding-bottom: 56.25%;
}

/* 4:3 アスペクト比 */
.ewe-iframe-4-3 {
    padding-bottom: 75%;
}

/* 1:1 アスペクト比 */
.ewe-iframe-1-1 {
    padding-bottom: 100%;
}

.ewe-iframe-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

/* ==========================================================================
   Widget TOC (サイドバーウィジェット)
   ========================================================================== */

.ewe-toc-widget {
    font-size: 0.9rem;
}

.ewe-toc-widget.ewe-toc {
    margin: 0;
    border: none;
    padding: 0;
    background: transparent;
}

.ewe-toc-widget .ewe-toc-content {
    max-height: 400px;
}

.ewe-toc-widget .ewe-toc-item a {
    padding: 0.35rem 0.5rem;
    font-size: 0.875rem;
}

.ewe-toc-widget .ewe-toc-indent-1 a {
    padding-left: 1.25rem;
    font-size: 0.825rem;
}

.ewe-toc-widget .ewe-toc-indent-2 a {
    padding-left: 2rem;
    font-size: 0.825rem;
}

/* ==========================================================================
   TOC Design Themes (目次デザインテーマ)
   ========================================================================== */

/* ダークテーマ */
.ewe-toc-theme-dark {
    --toc-bg: #1e1e1e;
    --toc-border: #333;
    --toc-title-color: #e0e0e0;
    --toc-link-color: #ccc;
    --toc-hover-bg: #333;
    --toc-hover-color: #fff;
    --toc-toggle-color: #aaa;
    --toc-counter-color: #888;
}

/* ブルーテーマ */
.ewe-toc-theme-blue {
    --toc-bg: #eef4fb;
    --toc-border: #b8d4f0;
    --toc-title-color: #1a4f8a;
    --toc-link-color: #2c6fbc;
    --toc-hover-bg: #d6e6f7;
    --toc-hover-color: #1a4f8a;
    --toc-toggle-color: #6b9fd3;
    --toc-counter-color: #6b9fd3;
}

/* グリーンテーマ */
.ewe-toc-theme-green {
    --toc-bg: #edf7ed;
    --toc-border: #b5d9b5;
    --toc-title-color: #1a6b1a;
    --toc-link-color: #2d8a2d;
    --toc-hover-bg: #d4edd4;
    --toc-hover-color: #1a6b1a;
    --toc-toggle-color: #6bae6b;
    --toc-counter-color: #6bae6b;
}

/* ==========================================================================
   Print Styles
   ========================================================================== */

@media print {
    .ewe-toc {
        page-break-inside: avoid;
        border: 1px solid #ccc;
    }

    .ewe-toc-toggle {
        display: none;
    }

    .ewe-table-wrapper {
        overflow: visible;
    }

    .ewe-iframe-wrapper {
        display: none;
    }
}

/* ==========================================================================
   Responsive Adjustments
   ========================================================================== */

@media (max-width: 768px) {
    .ewe-toc {
        padding: 1rem;
        margin: 1rem 0;
    }

    .ewe-toc-title {
        font-size: 1rem;
    }

    .ewe-toc-item a {
        padding: 0.4rem 0.5rem;
        font-size: 0.9rem;
    }

    .ewe-toc-indent-1 a {
        padding-left: 1.25rem;
    }

    .ewe-toc-indent-2 a {
        padding-left: 1.75rem;
    }
}